Questions Asked on
March 5, 2014

physics 1
A satellite is in a circular orbit about the earth (ME = 5.98 x 1024 kg). The period of the satellite is 1.77 x 104 s. What is the speed at which the satellite travels?
asked by Anonymous 
ALGEBRA! URGENT.
1. What data are represented by the stemandleaf plot below? 3  7 8 9 4  1 3 7 5  2 4 Key: 4  1 means 41 a. 37, 38, 39, 41, 43, 47, 52, 54 b. 73, 83, 93, 14, 34, 74, 25, 45 c. 7, 8, 9, 1, 3, 7, 2, 4 d. 37, 38, 39, 14, 34, 74, 25, 45 2. Find the mode
asked by Caroline 
Chemistry
Citric acid, the compound responsible for the sour taste of lemons, has the following elemental composition: C{\rm C}, 37.51%\%; H{\rm H}, 4.20%\%; O{\rm O}, 58.29%\%.Calculate the empirical formula of citric acid
asked by Ana 
science(check answers)
can someone check my answer thanks ! 2.The ability to do work or cause change is called A.velocity. B.energy.(I PICK B.) C.transfer. D.friction. 3.Which type of energy is demonstrated by a person jogging? A.electrical energy B.nuclear energy
asked by matt 
Math Help? Check my answers.
1. What data are represented by the stemandleaf plot below? 3  7 8 9 4  1 3 7 5  2 4 Key: 4  1 means 41 a. 37, 38, 39, 41, 43, 47, 52, 54 b. 73, 83, 93, 14, 34, 74, 25, 45 c. 7, 8, 9, 1, 3, 7, 2, 4 d. 37, 38, 39, 14, 34, 74, 25, 45 2. Find the mode
asked by Caroline 
computers
What overriding philosophy of the Windows 8 operating system makes it unique compared to earlier Microsoft operating systems? A. It is a universal operating system for all types of devices. B. It can host both 32 and 64bit applications. C. Up to 192
asked by sab 
Math
You have six $1 bills, eight $5 bills, two $10 bills, and four $20 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill. What is P($1,then $10)? A. 77/190 B. 3/100 C.3/95 D.2/5
asked by Anonymous 
Math(Check answer)
Jennifer writes the letters MONTANA on cards and then places the cards in a hat. What are the odds in favor of picking a vowel? 3:7 4:7 3:4 4:3 I think its 3:7 And my other question is.. Jennifer writes the letters MONTANA on cards and then
asked by Anonymous 
Science
What is true about Xrays and microwaves? (1 point) a. Xrays have greater speed than microwaves. b. Xrays have greater amplitude than microwaves. c. Xrays have greater frequency than microwaves. d. Xrays have greater wavelength than microwaves.
asked by Ashley 
Science HW    check my answers?
1. Compare the two light waves above. Which wave would produce the brightest light and which wave would have the least energy? a. wave A; wave A b. wave A; wave B c. wave B; wave A d. wave B; wave B 2. Which waves have the longest wavelength and lowest
asked by Chevelle 
Math(check answer)
A bag contains 9 green marbles and 11 white marbles. You select a marble at random. What are the odds in favor of picking a green marble? A. 9:20 B. 2:9 C. 11:9 D. 9:11 (I think its a.)
asked by Anonymous 
Math
A rocket follows a parabolic trajectory. After t seconds, the vertical height above the ground, in metres, is given by H=37t  t (squared). What is the maximum height of the rocket after 10 seconds? What is the max height of the rocket? What time does it
asked by lily 
Physics
A 96.0g wooden block is initially at rest on a rough horizontal surface when a 11.4g bullet is fired horizontally into (but does not go through) it. After the impact, the block–bullet combination slides 6.5 m before coming to rest. If the coefficient
asked by Pilar 
Science
2. Which waves have the longest wavelength and lowest energy on the electromagnetic spectrum? (1 point) a. Xrays b. infrared c. radio waves d. gamma rays
asked by Ashley 
Personal Finance
I have two questions. 1. Describe at least two nondiscretionary expenses that you expect to have at some point in your life. 2. Describe at least two discretionary expenses that you expect to have at some point in your life. help please
asked by Baylee Veyon 
Chemistry
How many copper atoms are in a pure copper statue with a mass of 139kg{\rm kg}
asked by Ana 
Math
A train leaves a station and travels north at a speed of 45mph. Four hours later, a second train leaves on a parallel track and travels north at 105 mph. How far from the station will they meet? The trains will meet ________ miles away from the station
asked by Pam 
Math!
The table below shows the percentage of households that own a microwave in different countries. Construct a stemandleaf plot of the data. Country Percent Of Household With Microwave Ovens _____________________________________________________________
asked by Christa 
Chemistry
Consider the following balanced equation: 2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of the
asked by Carter 
math 3
melanie packs boxes of envelopes into a larger box. the volume of each box of envelopes is 1,200 cubic centimeters. which is the best estimate fo the volume of the large box?
asked by kimmy plus 
Math
The probability of a certain hockey player making a goal after hitting a slap shot is 1/5. How many successful slap shots would you expect her to make after 120 attempts? A.5 B.20 C.24 D.60
asked by Anonymous 
6th grade science
A couple has just learned that their daughter has hemophilia. They already have a son who does not have the disease. What are the genotypes of the couple? I don't know how to do this please help!
asked by Elina 
English III
Neat People vs. Sloppy People By Suzanne Britt I’ve finally figured out the difference between neat people and sloppy people. The distinction is, as always, moral. Neat people are lazier and meaner than sloppy people. Sloppy people, you see, are not
asked by TyVaughn 
chemistry
Copper(II) sulfide reacts with oxygen to produce copper (II) oxide plus sulfur dioxide. Suppose you start this reaction with 50.0 grams of copper(II) sulfide and 50.0 grams of oxygen and you actually produce 33.5 grams of copper(II) oxide. Calculate the
asked by steven 
Earth, Space and Science
8. A geologist is studying a section of sedimentary rock layers that have been newly exposed by a landslide. Based on what principle, the geologist would assume that the layers increased in age as they looked at them from top to bottom. A. unitarianism B.
asked by Cassie 
Chemistry
Is the reaction between sodium sulfate and strontium nitrate endothermic or exothermic and why?
asked by Lily 
science
3. Which of the following is an example of inbreeding? A farmer chooses the cows in his or her herd that produce the most milk and breeds only those cows. A farmer chooses the cows in his or her herd that produce the most milk and breeds them with cows
asked by luna 
chem
Hydrogen iodide can decompose into hydrogen and iodine gases. 2HI(g) mc0261.jpg H2(g) + I2(g) K for the reaction is 0.016. If 0.148 atm of HI(g) is sealed in a flask, what is the pressure of each gas when equilibrium is established?
asked by jason 
algebra
Write the equation in slopeintercept?what are the slope and yintercept?9 x+10y=9 answers are y=9/10x+9/10 slope 9/10;:)intercept :9/10,, y=9/10x9/10;slope9/10:yintercept:9/10, y=9/10x+9/10:slope9/10;:)intercept:9/10,
asked by snow 
chemestry
how many total atoms are there in the chemical formula B2(CO3)3
asked by stephanie 
Math
How many ways can 3 students be chosen from a class of 16 to represent their class at a banquet? A. 3,360 B. 1,680 C. 1,120 D. 560
asked by Anonymous 
Chemistry
Iron ores have different amounts of iron per kilogram of ore. Calculate the mass percent composition of iron for each iron ore: Fe2O3{\rm Fe_2O_3} (hematite), Fe3O4{\rm Fe_3O_4} (magnetite), FeCO3{\rm FeCO_3} (siderite).
asked by Ana 
science( Please Check My Answer)
Question: One of the largest cypress trees in Florida has a tree trunk diameter of about 3.5 m. What is the source of MOST of the carbon in the cypress tree's trunk? Answer choices: A. The tree created carbon during photosynthesis. B. The tree used carbon
asked by Catarina 
Physics
After a 0.200kg rubber ball is dropped from a height of 1.95 m, it bounces off a concrete floor and rebounds to a height of 1.45 m. (a) Determine the magnitude and direction of the impulse delivered to the ball by the floor. (b) Estimate the time the ball
asked by Joe 
Geometry
Two parallel chords lies on opposite sides of the centre of a circle of radius 13cm. Their length are 10cm and 24cm what is the distance between the chords
asked by Temi 
finance
the corner grocer has a 7year, 6 percent annual coupon bond outstanding with a $1,000 par value. the bond has a yield to maturity of 5.5 percent. Which one of the following statements is correct if the market yield suddenly increases to 6.5 percent? The
asked by carol 
math 2
calvin packs boxes of greeting cards into a larger box. the volume of each box of greeting cards is 90 cubic inches. which is the best estimate for the volume of the large box?
asked by kimmy plus 
Math
A basket contains the following pieces of fruit: 3 apples, 2 oranges, 2 bananas, 2 pears, and 5 peaches. Jack picks a fruit at random and does not replace it. Then Bethany picks a fruit at random. What is the probability that Jack gets a peach and Bethany
asked by Anonymous 
math
leah has three fewer than 4 times as many dvds as Sonia has. Leah has 37 dvds. how many dvds does Sonia have?
asked by sara 
Math
A basket contains the following pieces of fruit: 3 apples, 2 oranges, 2 bananas, 2 pears, and 5 peaches. Jack picks a fruit at random and does not replace it. Then Bethany picks a fruit at random. What is the probability that Jack gets a peach and Bethany
asked by Anonymous 
Math
A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble, replace it, and choose again. What is P(red,then blue)? A. 77/164 B.19/41 C.90/1681 D. 45/41
asked by Anonymous 
chemistry
What is w when 1.27 kg of H2O(l), initially at 25.0oC, is converted into water vapour at 133oC against a constant external pressure of 1.00 atm? Assume that the vapour behaves ideally and that the density of liquid water is 1.00 g/mL. (Remember to include
asked by abby 
physics
A 1.80kg block slides down a frictionless ramp.The top of the ramp is h1 = 1.21 m above the ground; the bottom of the ramp is h2 = 0.256 m above the ground. The block leaves the ramp moving horizontally, and lands a horizontal distance $d$ away. Calculate
asked by Ted 
Physics
In the figure below, a 3.7 kg box of running shoes slides on a horizontal frictionless table and collides with a 2.0 kg box of ballet slippers initially at rest on the edge of the table, at height h = 6.9 m. The speed of the 3.7 kg box is 5.0 m/s just
asked by Anonymous 
Chemistry
How would you calculate the pH of the buffer if 1.0mL of 5.0M NaOH is added to 20.0mL of this buffer? Can someone please explain to me how to do B and C step by step so I could understand it clearly? :) Say, for example, that you had prepared a buffer in
asked by Airin 
phy
Boy throws a penny into a wishing well at a velocity of 2 m/s and at an angle of 45 degrees below horizontal. If the penny takes 1.3 seconds to hit the water, how deep is the well?
asked by Anonymous 
English
Like the modernists post modern writers focused on ___ experience and emphasized the effects of culture divisions answers are subjective, objective, cultural, all the above thanks
asked by snow 
Physics
A satellite that is 4175 miles from the center of the earth, orbits with a period of 90 minutes. What is its centripetal acceleration?
asked by jamie 
BIOLOGY
In angiosperms, pollen grains are A. diploid and are made when haploid gametes join in fertilization B. diploid and are made when haploid gametophytes join in pollination C. Haploid and are made when haploid spores undergo mitosis D. haploid and are made
asked by Cherry 
finance
the corner grocer has a 7year, 6 percent annual coupon bond outstanding with a $1,000 par value. the bond has a yield to maturity of 5.5 percent. Which one of the following statements is correct if the market yield suddenly increases to 6.5 percent? The
asked by carol 
finance
The Corner Grocer has a 7year, 6 percent annual coupon bond outstanding with a $1,000 par value. The bond has a yield to maturity of 5.5 percent. Which one of the following statements is correct if the market yield suddenly increases to 6.5 percent? The
asked by geof 
Computers
Write a statement that assigns the length of an array named strAddressBook to a variable named intAddressCount.
asked by Jean 
finance
he bonds issued by Stainless Tubs bear a 6 percent coupon, payable semiannually. The bonds mature in 11 years and have a $1,000 face value. Currently, the bonds sell for $989. What is the yield to maturity?
asked by carol 
phy
A baseball is thrown horizontally from the top of a cliff 50 meters up. The initial velocity of the ball is 10 m/s. How far from the base of the cliff will the ball land?
asked by Anonymous 
finance
he bonds issued by Stainless Tubs bear a 6 percent coupon, payable semiannually. The bonds mature in 11 years and have a $1,000 face value. Currently, the bonds sell for $989. What is the yield to maturity?
asked by carol 
Physics
In order to convert a tough split in bowling, it is necessary to strike the pin a glancing blow as shown in Fig. 947. The bowling ball, initially traveling at 13.0 m/s, has four times the mass of a pin and the pin flies off at 80° from the original
asked by Anonymous 
physics
1. A ship has a top speed of 3.0 m/s in calm water. The current of the ocean tends to push the boat at 2.0 m/s on a bearing of due South. What will be the net velocity of the ship if the captain points his ship on a bearing of 55 North or West and applies
asked by Amanda 
college chemistry
Copper(II) sulfide reacts with oxygen to produce copper (II) oxide plus sulfur dioxide. Suppose you start this reaction with 50.0 grams of copper(II) sulfide and 50.0 grams of oxygen and you actually produce 33.5 grams of copper(II) oxide. Calculate the
asked by steven 
Math
If there are 6 red tiles and 5 blue tiles in a box, what are the chances that you will pick a red tile without looking?
asked by Jim 
VARIATION ALGEBRA 2
The length of skid marks a car makes when braking varies directly with the square of the speed of the car. If a car traveling 25 mph leaves skid marks 30 ft long, how long would the skid marks be if the car is traveling 40 mph??
asked by Amy 
Physics
A superball with a mass of 71.2 g is dropped from a height of 2.5 m. It rebounds to a height of 2 m. What is the change in its linear momen tum during the collision with the floor? The acceleration of gravity is 9.8 m/s2 . Answer in units of kg · m/s
asked by Tod 
L.0
provide 3 possible financial sources for assistance that you can access for funding your studies and indicate the financial obligations you will have if you choose each of these options
asked by masaka cindy 
Chemistry
If 2.5 grams of citric acid (H3C6H5O7) reacts, how many moles of carbon dioxide will be generated?
asked by anonymous 
Physics
A 0.80 10^3 kg Toyota collides into the rear end of a 2.6 1^03 kg Cadillac stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 5.0 m before stopping. The police officer, knowing that the coefficient of kinetic
asked by Anonymous 
Trig
A weather balloon is sighted between points A and B which are 5 miles apart on level ground. The angle of elevation of the balloon from A is 37 degrees and it's angle of elevation from B is 58 degrees. Find the height, in feet, of the balloon above the
asked by Nairb 
math
Justin is 10 years less than half his father's age. If Justin is 12 years old, how old is his father?
asked by Kris 
Chemistry
What is the minimum amount of 5.9M H2SO4 necessary to produce 27.7g of H2 (g) according to the following reaction? 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g)
asked by Jill 
Physics
Does it take twice the work to stretch a spring 2cm from its equilibrium position as it does to stretch it 1cm from its equilibrium position?
asked by Bob 
math
alice builds a model house she uses a scale of 1:20 the height of the real house is 10 meters. (i) what is the height of the model. the width of the model is 80cm (ii) what is the height of the real house
asked by alice 
Math NOT CALCULUS
The hourly profit ($P) obtained from operating a fleet of n taxis is given by P=2n^2+84n45 What is the profit if 20 taxis are on the road? What is the maximum hourly profit? What number of taxis gives the max hourly profit? How much money is lost per
asked by Jake 
AP Chemistry
Benzene is a hydrocarbon that is commonly used as a commercial solvent. However, it is carcinogenic; i.e., accumulations in the body can cause cancer. What is the vapor pressure of benzene at 58◦C? The normal boiling point of benzene is 80.0◦C and its
asked by Gabriella 
math
A car rents for $42 per day pluc 20cents per mile. you are on a daily budget of $98. What milage will allow you to stay within your budget?
asked by Denise 
Physics
how many centimeters long is the proverbial "10foot pole?"
asked by jamie 
English
The Latin prefix sub means ? answers are under, secretive, above, none of the above thanks
asked by snow 
Ethics
1. Which of the following ethical frameworks suggests that morality should be linked to human nature, including a concern for human dignity and universal human rights? A. Utilitarianism B. Ethical egoism C. Social hedonism D. Natural law is it D 2. If the
asked by Any 
math
Help pleaseeee The Hotel Regal has 500 rooms. Currently the hotel is filled. The daily rental is $ 400 per room. For every $4 increase in rent the demand for rooms decreases by 8 rooms. Let x be the number of rooms that are being rented in the hotel. What
asked by michelle 
Science
1. Compare the two light waves above. Which wave would produce the brightest light and which wave would have the least energy? (1 point) a. wave A; wave A b. wave A; wave B c. wave B; wave A d. wave B; wave B Is it C?
asked by Ashley 
Math
A stone was thrown from the top of a cliff. The height, H meters, of the stone above sea level t seconds after it was released is given by H=5t+20t+60. a)How high is the cliff? What makes you say this? b) How high is the stone after two seconds? c) What
asked by Sally 
verbs
what are the verbs A Superblade was used at the 2 o'clock position, and the anterior chamber was entered
asked by Anonymous 
college physics 1
A special electronic sensor is embedded in the seat of a car that takes riders around a circular looptheloop ride at an amusement park. The sensor measures the magnitude of the normal force that the seat exerts on a rider. The looptheloop ride is in
asked by anonymous 
Intermediate Algebra
The length of the top of a table is 5 m greater than the width. The area is 104m^2. Find the dimensions of the table The width of the table is _____m The length of the table is ____m
asked by Spacegazing 
Science Check Please :)
I only have a couple questions left but I want to be sure that my answers are correct so can someone please help me by checking my answers and if they are wrong can someone please let me know? Thank you! Question Number 1: A freshwater marsh is a type of
asked by Catarina 
Physics
Please help me with the following problem: Joe is on a crosscountry trip from New York to Los Angeles. He drives for 45.0 min at 70.0 km/h, 10.0 min at 95 km/h, and 30.0 min at 55.0 km/h, and he spends 20.0 min eating lunch and buying gas. What is the
asked by Brady 
Algebra 2
The volumes of two spheres differ by 336pi cubic meters and the lengths of their radii differ by 6 meters. Find the length of the radius of the smaller sphere. (Round your answer to the nearest hundredth)
asked by Lo 
physics
A dust particle carrying a charge of is 2 mm to the left of another dust particle carrying a charge of . Find the magnitude and direction of the elec tric force on the first particle.
asked by Shelly 
English
During this time period writers sought to capture the ___ of the Americas people during thisera of a new post war economy and society answers are peace, anger, anxiety, all the above thanks
asked by snow 
Physics
A 1.2m long steel rod with a diameter of 0.50cm hangs vertically from the ceiling. An auto engine weighing 4.7kN is hung from the rod. By how much does the rod stretch?
asked by Georgey 
Intermediate Algebra
The plans for a shed call for a rectangular floor with a perimeter of 192 ft. The length is two times the width. Find the length and width. The width is ____ft The length is ____ ft
asked by Spacegazing 
math
sales for the first four months of the year were as follows: jan.5282 feb.4689 mar.3029 apr.6390 find he average monthly sales.(round off your answer to the nearest dollar.
asked by Anonymous 
Physics
A spaceship with a mass of 4.60 10^4 kg is traveling at 6.30 10^3 m/s relative to a space station. What mass will the ship have after it fires its engines in order to reach a speed of 7.84 10^3 m/s? Assume an exhaust velocity of 4.86 10^3 m/s.
asked by Anonymous 
Physics
A train 500 m long is moving on a straight track with a speed of 84.2 km/h. The engineer applies the brakes at a crossing, and later the last car passes the crossing with a speed of 16.4 km/h. Assuming constant acceleration, determine how long the train
asked by Bob 
Algebra
what association would you expect if you were graphing height and weight a positive b nonlinear c negative d none of these my answer is a
asked by Steve 
Chemistry
Suppose that 14.9 mL of 0.0512 M NaOH were required to titrate a sample of unknown acid. How many moles of NaOH were used?
asked by Rae 
research
What are the pros and cons of disguised observation?
asked by john 
Physics
You throw a ball horizontally off a building with a horizontal velocity of 10m/s. What is the ball's horizontal velocity 5 seconds later. What is the ball's vertical velocity 5 seconds later?
asked by jamie 
life orientation
identify three study fields/career paths in order of preference and provide two reasons for each choice
asked by caroline 
Chemistry
A gas occupies a volume of .350 L at a temperature of 18.0 degrees Celsius and a pressure of 980.0 torr. What will be the volume of this gas at standard conditions? Please explain how to do it.
asked by Linda 
social studies
The first immigrants to the United States were mainly from England, Scotland, Ireland, Germany, and? a. Russia. b. Italy. c. Scandinavia. d. Greece I think its either A or C please help
asked by luna 
math
Frank cut a pie into 10 equal slices. There are only 3 slices left. What is the measure of the angles for the 3 slices that are left? PLZ HELP I AM A 4 GRADER IN TROUBLE
asked by sherkiramoses 
college physics 1
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 35.1 km/s and 63.3 km/s. The slower planet's orbital period is 6.74 years. (a) What is the mass of the
asked by anonymous 
Physics
If m1 = 4.72kg, what mass m2 is required to balance the system? (two masses are connected by a rope. m1 is sitting on an incline and m2 is hanging from a pulley)
asked by C.C. 
Chemistry
If 2.5 grams of citric acid (H3C6H5O7) reacts, how many grams of carbon dioxide will be generated?
asked by anonymous 
chemistry
A 7.00 g sample of KCl is dissolved in 81.0 mL of water. The resulting solution is then added to 28.0 mL of a 0.790 M CaCl2(aq) solution. Assuming that the volumes are additive, calculate the concentrations of each ion present in the final solution.
asked by JC 
Math
A MP3 player is marked up by 10% and then marked down by 10% what is the final price?
asked by Ashley 
Physics
Please help me with the following problem: Joe is on a crosscountry trip from New York to Los Angeles. He drives for 45.0 min at 70.0 km/h, 10.0 min at 95 km/h, and 30.0 min at 55.0 km/h, and he spends 20.0 min eating lunch and buying gas. What is the
asked by Brady 
Spanish
Complete the question with the correct form of the interrogative word ¿ * día es hoy? Hoy es miércoles 14 de junio
asked by Kamie 
statistics
A telephone company's records indicate that private customers pay on average $17.10 per month for longdistance telephone calls. A random sample of 10 customers' bills during a given month produced a sample mean of $22.10 expended for longdistance calls
asked by Anonymous 
AP Chemistry
Use the ClausiusClapeyron equation to calculate the temperature at which pure water would boil at a pressure of 367 torr. The heat of vaporization of water is 43105 J/mol at 100◦C. Answer in units of ◦C
asked by Gabriella 
college physics 1
Reviewing Interactive Solution 5.46 will help in solving this problem. A stone is tied to a string (length = 1.29 m) and whirled in a circle at the same constant speed in two different ways. First, the circle is horizontal and the string is nearly parallel
asked by anonymous 
Algebra
Erin has three more dimes than nickles and twice as many quarters as dimes. she has a total of $5.05 How many of each type of coin does Erin have 5.05= 2qd3dn A Piece of rope that is 63 meters long is cut into three pieces such that the second piece is
asked by Chelsey 
finance
Below are three different pairs of bonds and their recent yields. Pick one pair and initiate a thread in the forum where 1) using the textbook plus other reference material you will explain the primary factors that contribute to making the yields of the
asked by carol 
poem
Title:The dawn it comes There once was a boy named John whose never saw the dawn. When the sun went down and went to the pond. And saw what was dim. Is this a good poem? This is a limerick, lines 1,2,and 5 must rhyme.Lines 3 and 4 must rhyme. Please help
asked by Johnny 
chemistry
A 1.009g mixture of Na2SO4 (molar mass=142.04 g/mol) and Pb(NO3)2 (molar mass= 331.20 g/mol)? A)write th3 molecular form of the equation for the reaction. b)write the net ionic equation for the reaction.
asked by maria 
Linear Algebra
Consider the linear transformation T: R^3>R^3 which acts by rotation around the yaxis by an angle of pi, followed by a shear in the xdirection by a factor of 2. a) Find the matrix for T. Explain your method. b) What is T(1,2,3) c) Without calculation,
asked by Brody 
Math
The hourly profit ($P) obtained from operating a fleet of n taxis is given by P=2n^2+84n45 What is the profit if 20 taxis are on the road? What is the maximum hourly profit? What number of taxis gives the max hourly profit? How much money is lost per
asked by Jake 
Alg help
What is the length of the diagonal for the given rectangular prism? L=12 W=4 H=9 16 15 13 10
asked by Aniston 
Math
Two motorcycles travel toward each other from cities that are about 320km apart at rates of 95km/hr and 65km/hr. They started at the same time . In how many hours will they meet?
asked by Pam 
spanish 2
Fill in the blank with the correct imperfect form of the verb. Include accent marks when needed. 1.) Mis amigos______la playa. (ir) 2.) Mama______la casa. (limpiar) 3.) Mi hermano y yo____la leche.(beber) 4.) Yo_____la cena. (preparar) 5.) ¿Tú_____los
asked by Bri 
Linear Algebra
Suppose T: R^2>R^2 is a linear transformation with T(1,2)=(2,1) & T(3,1)=(1,2). What is T(12,11)?
asked by Brody 
Chemistry
Calculate the molar concentration of ethanoic acid needed to prepare ethanoate buffer of PH 6.8 using 0.5m solution of sodium ethanoate. Pka of ethanoate acid is 0.127
asked by Aminat 
Visual Basic
Write a statement that assigns the length of an array named strAddressBook to a variable named intAddressCount.
asked by Jean 
chemistry
Given the following thermochemical equations, NO(g) + (1/2) Cl2(g) > NOCl(g) 37.78 kJ (per mol NOCl) NO(g) + (1/2) O2(g) > NO2(g) 56.53 kJ (per mol NO2) 2 NO2(g) > N2O4(g) 58.03 kJ (per mol N2O4) what is the standard enthalpy change for the
asked by abby 
Linear Algebra
Suppose C and D and 5x5 matrices and det(C)=5, det(D)=6. Compute the determinant of the matrix 3C^T (4CD)^1 C^2. Justify your answer by stating explicitly which calculation rules for the determinant you use.
asked by Brody 
Math
2. Anita multiplies a number by 2 and then adds her starting number to the product. Amit adds this same original number to itself and then multiplies that sum by 2. The difference between Anita’s and Amit’s results is 9. What is their starting
asked by Yareth 
chemistryurgent
Silver nitrate is added to a solution and precipitate forms. This precipitate dissolves when concentrated ammonia is added. What anion was present in the original solution? I don't know how to answer this. Also can someone please explain how to identify a
asked by Temmick 
math
At a party everyone shook hands with everyone exactly once there were a total of 36 handshakes how many people were at t he party
asked by Hannah Howard 
Physics
A piece of metal has a mass of 85 cg and a volume of 450L. What is it's density in g/cm3?
asked by jamie 
Trig
How do you solve this problem? y = 2sin 3x + 4sin 2x I haven't done these types of problems for awhile and have forgotten how to do them.
asked by Mary 
English
1. He is trying to hit a ball. It seems that he is holding a bat. What does he like to do? He likes to play baseball. 2. She is mimicking paying the guitar. What is she good at? She is good at playing the guitar. 3. He is jumping with his mouth
asked by rfvv 
math
Write an inequality to solve each problem.Then solve the inequality. 1. Marcus wants to buy baseballs.He has $35. What is the most each baseball can cost? 2. Melinda charges $4 per hour for babysitting. Mrs. Garden does not want to spend more than $25 for
asked by thomas 
log
how long will it take $40,000 invested at 9% compounded continuously to double A=Pe^rt
asked by montricia 
Math
A to B is 15 miles, B to C is 25, C to F is 21 F to E is 22 E to D is 14, D to B is 11 D to A is 10, A to B is 15 Each town (letters) must be connected to at least one other town. Towns A to F are to be connected. Calculate the minimum length of cable
asked by Nick 
chemistry
A 0.016076mol sample of an organic compound was burned in oxygen in a bomb calorimeter. The temperature of the calorimeter increased from 23.7oC to 24.5oC. If the heat capacity of the calorimeter is 4.98 kJ (oC)1, then what is the constant volume heat of
asked by abby 
Science
Bacteria are classified according to three basic shapes. Name them and give the scientific. name for the shape. 1. Round pairs  Diplococcus 2. Rod shaped  Bacilli 3. ?? I need another one. Please help me.
asked by Anonymous 
Science
Bacteria are classified into three basic shapes. Name them and give the scientific name for the shape. 1. Diplococcus  Round and paired. 2. Bacilli  Rod shaped. 3. I don't know which else shape they would be classified into.
asked by Anonymous 
chemistry
a barometer is read directly in torrs or mm Hg. an openend manometer has a closed arm liquid height of 48.4 mm and an open arm liquid height of 62.6 mm. if the air pressure is 758.0 torrs, what is the pressure of the gas connected to the manometer?
asked by Nicole 
Physics
A rock is thrown off a bridge at an angle of 38degree above horizontal, and landed in the water 3.60 seconds later 60.0 meters from the point at the waters level directly below the thrower... What is the rock's horizontal velocity? I need better clarity on
asked by Victoria 
Algebra 1
37. Graph the line y = 4x + 2. Give the equations of three other lines that together with the line y = 4x + 2 would form a rectangle. Graph your rectangle. This is the last question that I have for this homework assignment, and I'm completely confused.
asked by Alex 
math
in an album, the ratio of the number of local stamps to the number of foreign stamps was 7 : 4. When Lucy gave away 8 local stamps and 8 foreign stamps, there were 1.8 as many local stamps as foreign stamps in the album. find the total number of stamps
asked by Vivian 
Algebra
The Robertson's find that have used 1/2 gallon of paint to cover 480 square feet of wall. They used 3/4 gallon of paint to cover 720 square feet of wall. Write an equation to find the number of gallons of paint they will need (G), in order to cover S
asked by Emily 
LEARNING
All of the following are characteristics of an effective study environment EXCEPT:
asked by Anonymous 
physics
Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 418 km above the earth’s surface, while that for satellite B is at a height of 731 km. Find the orbital speed for (a) satellite A and (b) satellite B.
asked by Anonymous 
math
find the cost of cementing a driveway that is 900 cm wide by 1600cm long by 3 cm thick. The price per cubic centimeter is $5.20.
asked by Shawn 
statistics
Post a null hypothesis that would use a t test statistical analysis.. Use the same hypothetical situation taken in the t test hypothesis, and turn it into a null hypothesis using a oneway ANOVA analysis and a twoway ANOVA.
asked by Anonymous 
history
The Americas didn't provide Europeans with added
asked by gabe 
physics
A 25000 kg rock is located at a distance of 7.6 x 108 m away from a small planet of mass 7.8 x 1023 kg. What is the mutual force of attraction between these two
asked by Payton 
math
using the interest formula A=P(1+r/n), solve for the indicated variable. solve for P
asked by ann 
Algebra
Joe and Theresa want to paint their living room. From past experience they know that Joe can paint the room in 6 hours and Theresa can paint it in 10 hours. How long will it take them if they work together? Mower A can cut a field in 6 hours and Mower B
asked by Chelsey 
Social Studies
 In a single paragraph, describe the key differences between indexes and scales. In a second paragraph, discuss their relative strengths and weaknesses.
asked by Sergey 
Science
Who stated the three laws of motion?
asked by Abhishek 
Physic assignment
A 1.5okg ball whose velocity is 8mls southward collides with a 2kg ball traveling along the same path with a velocity of 3mls southward.if the velocity of the 2kg ball is 7.29mls southward after impact.what is the velocity of the 1.50kgball?
asked by Anonymous 
Chemistry
Write the reaction for the synthesis of water vapor from hydrogen gas and oxygen gas and balance it. If you used 0.022 mol hydrogen, how many mol of oxygen would you need in order for it to completely react and have no limiting reactant? Can you please
asked by Linda 
Algebra 2 Variation
If w varies directly as r and inversely as the square of p, if w= 25 when r=5 and p=4, find r when w=16 and p=8
asked by Amy 
Math
When Christy made tortillas for the first time, she used all the dough to make 10 tortillas. After making quesadillas, she decided that the tortillas were not large enough. The next time, using the same amount of dough, she made each tortilla the same
asked by Marissa 
Trigonometry
If sin A =(46sin67degrees/58), find A in degrees and minutes.
asked by Jnr John 
Chemistry
If 2.5 grams of citric acid (H3C6H5O7) reacts, how many moles of sodium bicarbonate will be consumed?
asked by anonymous 
Computer Tech
I have to do a power point on a singer who has recently become famous. I chose Ariana Grande because she only has two albums. I have been trying to find her song and album release dates but cant find a website. Can someone please see if they could find
asked by Jane 
Science
If the melting point of a substance is 39C, has the substance melted at 20C?
asked by Miaya 
English
Prose is writing that does not posses___and____?fill in the blank answers are emotion thought, meter rhythm, theme genre none of the above thanks
asked by snow 
Language Art (Please Check...again)
1)Resilient people usually a)complain when they have bad luck b) bring good luck to others c)are able to deal with others** 2)when the someone refers to pausing to " enjoy the view of the trees and the flowers below," he really is talking about a) looking
asked by #1Student 
MATH
Mrs. Wilkerson noticed that her inlaws’ birth dates have an unusual property. Her motherinlaw was born 53136, and her fatherinlaw was born 92534. Furthermore, her hus band’s grandfather was born 7714. How many birth dates in a century have
asked by jenni 
Physics
If the spherical ball is negatively charged.How the mass of the sphere or ball get effected?
asked by Prerna 
psychology
the resent psychological theories of crime
asked by solomon 
Math
In a recipe, we use 6 ounces of salt,32 ounces of butter and 48 ounces of flour. Write a reduced ratio for the quantity of butter to the quantity of flour,in a fraction form.
asked by Mary 
Science
Bacteria are classified into 3 basic shapes, name them and give the scientific name. 1. Round pairs  Diplococcus 2. Rod shaped  Bacilli I got 2 can someone help me with one more?
asked by Anonymous 
calculus
Find the correct values for the equation x^3 +bx^2 +cx + d, using this information, local min x= 5, local max (1,11). Point of inflection = 2.
asked by sara 
physics
what is the physics behind the process of administering the following 1. measurement of blood pressure using sphygmomanometer 2.giving injections 3.administering intravenous infusion 4.giving oxygen in the ward and operating theater 5. administering blood
asked by Williams 
math
Find the interest and total amount. 25. P=$8,500, R=6.5% per year, T= 1 year 26. P=$1,200, R=7% per year, T= 2 years 27. P=$2,400, R=11% per year, T= 6 months
asked by ★★ PLEASE HELP ★★ 
English help
I need to write research paper and I trying to find topic to write about. Teacher say to avoid topics that u can't be open minded about like abortion and said to avoid paranormal and those involving personal religious beliefs. He said to restrict selection
asked by Mohammad 
trig
city a is 300 miles directly north of city b assuming the earth to be a sphere of radius 4000 miles determine the difference in latitude of the two cities make answers accurate to the nearest second
asked by Anonymous 
science
Whta is newtons first law?
asked by thabang 
Math 110
I got 56 points passing is 75 3 more exams to go . How much i need to get in every exam to pass?
asked by Kristine 
language arts (check answer)
please check this... which of the following shows a correctly punctuated compound sentence? A.As the miners,slept soundly,the thieves made off with all their supplies and gold. B.As the miners slept,soundly the thieves made off with all their supplies and
asked by bonn 
physics
What is the momentum of a 4 Mg semi truck going 30 m/s south?
asked by lily 
physics
A block of mass m = 2.7 kg is released from rest at a height of H = 0.49 m on a curved frictionless ramp. At the foot of the ramp is a spring whose spring constant is k = 515.0 N/m. What is the maximum compression of the spring, x? B)After the spring
asked by Chris 
Ethics
The goal of Qsort assessment is: Answer a. To create a comprehensive taxonomy of human attributes. b. To bring out an individual's repressed thoughts and feelings. c. To compare individuals with each other along a given dimension. d. To examine the unique
asked by Ann please help check my answer 
MATH
A circular oil spill is spreading over the surface of a lake. The circle’s radius grows by 500 meters every hour. How many square kilometers did the spill grow between 24 hours and 48 hours?
asked by Yuria 
MAT134 Math XL
factor out the gcf simplify if possible. 3x^7  9x^6 + 24x^5
asked by Billy 
Math
Subtract and simplify: (sin theta1/ cos theata) ( cos theta/ sin theta1)
asked by Blaire 
algebra
What is the slope of the line that passes through the given points?(6,1)and(3,1) answers are. Underfined. ,o, 2/3, 3/2 thank you
asked by snow 
math
what is the probability that david will pick a melon flavored gum? There are 3 pieces of melon and 7 pieces total. Use words and numbers to explain answer.
asked by ceaser 
Algebra 2 Translations
Describe how the graph of y= absolute value changes when the equation is changed to y = 5 absolute value x9 and + 12
asked by Amy 
Math
An artist uses a tile design on a wall that is 6' x 10' tile placed on the border on all four sides. Each tile is a square that measures .5 foot on a side. How many tiles does the artist need for the entire border?
asked by Hobie 
physics
A DC circuit has a single battery of voltage V = 10.0 V attached to a resistor R = 100 Ohms. If the voltage is increased to 20.0 V, then by what factor does the power emitted by the resistor increase?
asked by tyler 
mathematis
consider the arithmetic sequence:4;1;2;5...if the nth term of the sequence is 74 determine the value of n
asked by mmatshepho 
Java
Define method headers for computeAverageSales() and computeShipping Charges() according to the following requirements. Develop pseudocode for two new methods to be added to your product class:
asked by Denise 
History
During the Carter administration, Zbigniew Brzezinski A. tried to reverse the policy of détente. B. tried to get Carter to roll back taxes. C. was directly involved in continuing the SALT talks. D. rejected the adoption of the MX missiles to replace the
asked by Amy 
math
n+8n=35 4x77x=1 22+3k+6=28 2(m+7)=22 m+3(m4)=16 2z4(93z)=62 2b+8/5=12 g+4/7=6 93h/5=6 4m16/12=3
asked by jesse 
English
1. How is Ted special? He dresses well. 2. Why is Ted special? He is wearing a colorful shirt. 3. What is Ted's specialty? He is wearing pink trousers. 4. What is special for Ted? He is fashionable.  Which ones are grammatical and commonly
asked by rfvv 
Chemistry
What is the difference between solubility and solubility curve?
asked by Abhishek 
science
What is matter
asked by thabang 
analytical chemistry
Suppose a 4.272 g soil sample undergoes an extraction with 50 ml of extracting solvent to remove the lead. This 50 ml was then diluted to 250 ml and tested by atomic absorption technique. The concentration of lead in this diluted extract was found to be
asked by Lori 
Ethics
In selfdiscrepancy theory, selfrepresentations arise from __________. Answer a. Viewing the self from one's own standpoint and from the standpoint of significant others. yes b. One's personal constructs. c. The synthesis of the id and superego. d. A
asked by Ann please help 
sentences
Is the sentence "Ray responded more happily than I did." correct?
asked by Carson 
physics
Two blocks, each with a mass m = 0.400 kg, can slide without friction on a horizontal surface. Initially, block 1 is in motion with a speed $v$ = 1.20 m/s; block 2 is at rest. When block 1 collides with block 2, a spring bumper on block 1 is compressed.
asked by Ted 
Math
The Mills Lunch Shop prepares fresh takeout entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided
asked by Mike 
chemistry
how are buckeyballs,diamond, and graphite similar? how are they different?
asked by sara 
Algebra 2 Variation
If y varies jointly as x squared and the radical of z, and y = 49 when x =2 and z=25, determine y when x=1 and z =16
asked by Amy 
science
What type of prac do you think you need to use a filter funnel and filter paper. please help quickly
asked by raj 
business studies
3 negative impacts which aids will have on a business enterprise
asked by minkie 
Algebra
Factor: 24x^33 I think you use the perfect cube formula which would be a^3+b^3=(ab)(a2+ab+b2) but not sure how to go about doing this.
asked by Chelsey 
Math
Assuming that the distribution is normal for weight relative to the ideal and 99% of the male participants scored between (–53.68, 64.64), where did 95% of the values for weight relative to the ideal lie? Round your answer to two decimal places.
asked by Teri 
health
What is premature death? A. Dying before one’s selfprojected age of death B. Dying at the average age of death for a specific population group C. Dying after the average age of death for a specific population group D. Dying earlier than the average age
asked by lexii 
statistics
Post a null hypothesis that would use a t test statistical analysis.. Use the same hypothetical situation taken in the t test hypothesis, and turn it into a null hypothesis using a oneway ANOVA analysis and a twoway ANOVA.
asked by Anonymous 
Math
x^4 + 10x + 18  x^4  3x + 2 Is this 13x + 16?
asked by Anonymous 
help i have no idea!!!!!!
Time (s) 0 1 2 3 4 5 7 8 9 10 Δ X (m/s) Position 0 3 7 12 17 24 22 17 14 14 1. Graph the table above (include title, label the independent (x) and dependent variable (y), use the proper scale) 2. Identify on your scale the positive acceleration and the
asked by Anonymous 
sue
Time (s): 0 1 2 3 4 5 7 8 9 10 Δ X (m/s) Position: 0 3 7 12 17 24 22 17 14 14 1. Graph the table above (include title, label the independent (x) and dependent variable (y), use the proper scale) 2. Identify on your scale the positive acceleration and the
asked by edu 
English
Should the be upper case in these sentences? During his administration, an act was signed forming two railroad companies, the Union Pacific and the Central Pacific. Lincoln was president during an important part of our nation's history, the Civil War.
asked by Kelley 
Algebra
Needing help, Please.. Robert needs to fill up a box with packaging material. Use the picture below to calculate the volume of the box. (2x+3)length (x3)height (x+2)width
asked by Teresa 
social studies
we are working on ancient egypt and i cant find the answer to In what ways were the reigns of Akhenaton and Ramses II different
asked by amber 
a
A compter software retsilor used a matkup ratr of 30%. Find the selling price of a computer game that costs the retsilor 15 dollard
asked by melissa 
Agent HELP! Trigonometry
An isosceles triangle ABC has two sides 17cm in length and a base 10cm in length. Find the size of the angle between the equal sides.
asked by Jnr John 
math
a playground is 100 x 150. How do i find the scale if making a scale model on an 8.5 x 11 sheet of paper?
asked by mitzie 
SCIENCE
WHAT ORGAN MAKES ACID THAT U VOMIT AND CAN BURN THROUGH AN CARPET
asked by WHO 
maths literecy
how to do data handling?
asked by nokwanda 
Health Ethics
I have to write a 2 page cited paper on the pros and cons of confidentiality in the medical profession. I am having a hard time starting. Can you recommend websites on this topic
asked by Gabby 
Math
"M
asked by Kylee 
Biology Genetics
True or False X and Y chromosomes are found only in eggs and sperm. T or F ?
asked by Amy 
health
How can communities and government help promote physical activity initiatives? A. Raise taxes B. Lower taxes C. Eliminate sidewalks D. Create walking trails
asked by lexii 
Math help
I need help on these problems. There over solving equations by factoring. 1. 4x^2=9 2. M^236=16M 3. R^2+9=10r 4. 6s^2=17s12
asked by Anonymous 
Language Arts (Please Check)
1)Resilient people usually a)complain when they have bad luck b) bring good luck to others c)are able to deal with others** 2)when the someone refers to pausing to " enjoy the view of the trees and the flowers below," he really is talking about a) looking
asked by #1Student 
English
Does anyone know what the symbol for works cited is called? It looks like a colon with a small line in the middle.
asked by Anonymous 
Math help
I need help on these problems. There over solving equations by factoring. 1.4x^2=8
asked by Anonymous 
Cultural Diversity
A story narrative is probably Asian if it is: (a) detailed, structured, and linear (b) episodic, eventdriven, and contains judgmental remarks (c) presented in a circular discourse pattern with no clear conclusion (d) accompanied by use of props and
asked by Tina 
Cultural Diversity
Asian emphasis on the value of filial piety may be noted in: (a)a family's reluctance to disagree with an early childhood professional (b)encouragement of interaction between adults and children (c)strict adherence to Buddhist teachings (d)a mother's
asked by Tina 
Math
1. 3/4=x/20= x= 2. 5/4=a/36= a= 3. 18/20=n/9= n= 4. 17/30=d/300= d= 5. 15/25=x/1,000= x=
asked by Gigi Ganem #7 
L.A.
Which words clue the reader about the compareandcontrast organization in the opening paragraph of "The Next Big Thing"?
asked by Connexus 
English Ms Sue
Ms Sue I am stuck between these 2 topics: Social anxiety or overpopulation?
asked by Mohammad 
Pre  calculus
Can someone please explain how to simplify this proiblem: cotx/sec^2 + cotx/csc^2
asked by Luis 
math
2/7
asked by elementary 
Math
How do you find the coordinates to graph y=x2+2x3
asked by Amber 
Civics
Why does the U.S. want to promote democracy around the world?
asked by Anonymous 
Math
Give the exact and approximatel solutions to three decimal places. X^27x+7=0
asked by Pam 
Math
How is this trinomial prime? 5x^2+x2
asked by Anonymous 
English Question
If I post a definition from a dictionary and say which dictionary it is from, would that be plagiarizing?
asked by Anonymous 
History
upport of and in opposition to American Imperialism
asked by anonymous 
algebra
There is an 18 inch sandwhich that Jenny cuts and gives half of the sandwhich to Demi and Joel gets 3/4 of what jenny has. Add all up to 18
asked by marissa 
Math
What are three improper fractions to 4 1/2
asked by Imani 
Math
taxi company has 31 drivers and now has 43 how to find the percentage increase or decrease.
asked by Jaime 
math
through: (3,3), parallel to y= 7/3x + 3.
asked by ejskc5 
algebra
m+3(m4)=16 2z4(93z)=62 2b+8/5=12
asked by jesse 
math
k3/7k=6/7 3.5+6.4x=x3.4
asked by lee 
to ms. sue
what was your 4th grade teacher and why
asked by tamer 
science
what is mitosis?
asked by Anonymous 
algebra 1
how do you write this polynomial 5x3 + x5 − 8 + 4x in standard form?
asked by monica